CN106242047A - Sewage treatment anaerobic response system and method for treating water - Google Patents
Sewage treatment anaerobic response system and method for treating water Download PDFInfo
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- CN106242047A CN106242047A CN201610712238.6A CN201610712238A CN106242047A CN 106242047 A CN106242047 A CN 106242047A CN 201610712238 A CN201610712238 A CN 201610712238A CN 106242047 A CN106242047 A CN 106242047A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 239000010865 sewage Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000004044 response Effects 0.000 title claims abstract description 25
- 239000010802 sludge Substances 0.000 claims abstract description 115
- 238000005191 phase separation Methods 0.000 claims abstract description 76
- 210000005056 cell body Anatomy 0.000 claims abstract description 52
- 238000006243 chemical reaction Methods 0.000 claims abstract description 42
- 239000008187 granular material Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 11
- 238000000354 decomposition reaction Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000007269 microbial metabolism Effects 0.000 claims description 2
- 208000031872 Body Remains Diseases 0.000 claims 1
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- 230000000694 effects Effects 0.000 abstract description 23
- 238000000926 separation method Methods 0.000 abstract description 17
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- 235000013311 vegetables Nutrition 0.000 abstract description 5
- 235000013336 milk Nutrition 0.000 abstract description 4
- 239000008267 milk Substances 0.000 abstract description 4
- 210000004080 milk Anatomy 0.000 abstract description 4
- 239000003925 fat Substances 0.000 description 19
- 235000019197 fats Nutrition 0.000 description 19
- 239000002351 wastewater Substances 0.000 description 15
- 235000013365 dairy product Nutrition 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
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- 239000000126 substance Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 235000013405 beer Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 238000013461 design Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 239000011499 joint compound Substances 0.000 description 2
- 239000008101 lactose Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000003307 slaughter Methods 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000009923 sugaring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 210000002249 digestive system Anatomy 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- -1 government official Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
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- 238000010992 reflux Methods 0.000 description 1
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- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
- C02F3/2893—Particular arrangements for anaerobic reactors with biogas recycling
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
- C02F2103/327—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from processes relating to the production of dairy products
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
Sewage treatment anaerobic response system of the present invention and method for treating water, wherein sewage treatment anaerobic response system includes: the anaerobic reation pool being provided separately and three phase separation pond；Described anaerobic reation pool includes anaerobic reation pool cell body, water inlet system, collecting system；Described three phase separation pond includes three phase separation pond cell body, effluent weir, three phase separator, sludge bucket, three phase separator is arranged on the lower section of effluent weir, the bottom in three phase separation pond is sludge bucket, and sludge bucket connects sludge recirculation system, and sludge recirculation system is connected with anaerobic reation pool.The present invention also provides for the method for treating water of above-mentioned anaerobic reaction system.The present invention can solve the problem of reaction zone and depositing separation area contradiction mutually contradictory for area requirements in tradition anaerobic reactor, its simple in construction, be easy to safeguard, good sewage processing effect；Be particularly suited for butchering, COD sewage disposal more than 100ppm less than 5000ppm or vegetable and animals oils content such as milk.
Description
Technical field
The present invention relates to a kind of sewage treatment anaerobic response system and method for treating water, particularly relate to one and be applicable to slaughter
The anaerobic reaction system of the biological sewage/wastewater process of the low concentration wastewaters such as government official, milk or oily waste water and method for treating water, belong to
Water-treatment technology field.
Background technology
The anaerobic technology of existing biological treatment sewage/wastewater has multiple:
The anaerobic technique occurred the earliest is anaerobic filter technique, is provided with filler and filters in pond, and the method easily causes anaerobism
Filter tank blocks, it is difficult to safeguard, is only suitable to small-scale and processes the water yield.
The anaerobic technique occurred afterwards has anaerobic contact method, i.e. arranges reaction tank in anaerobic pond front portion, after be provided with precipitation
Pond, this kind of anaerobic technique is strong due to anaerobic pond gas deliverability, is easily caused the problem that sludge loss often occurs in sedimentation tank.
The anaerobic technique finally occurred has UASB (up flow anaerobic sludge blanket reactor), EGSB, and (anaerobic expanded bed reacts
Device) and IC (internal-circulation anaerobic reactor) etc., the common feature of this three classes reactor is the end that anaerobism activity mud is in reactor
Portion, and reactor middle and upper part is provided with three phase separator, the appearance of three phase separator, substantially reduces depositing separation area water outlet band
The situation of mud.
Following documents discloses several anaerobic reactor containing three phase separator:
Documents 1:CN104129849A anaerobic reactor processing system, including the sun heating waste water
Energy water heater, the outlet of solar water heater is connected with the entrance of anaerobic reactor by the first pressurized fluidic pump, anaerobism
The bottom of reactor is provided with the water-locator being connected with its entrance, and the top of anaerobic reactor is provided with three phase separator, and three
The entrance of phase separator is connected with anaerobic reactor, and the inside of anaerobic reactor is filled with suspended granular sludge.
Documents 2:CN104591383B new E GSB anaerobic reactor, including water-locator, granule sludge reaction zone, sets
In the three phase separator of top, water-locator is detachable, some perforation water distributors be uniformly distributed in bottom and form, and
Two ends stretch out in outside reactor, and the two ends of every water distributor are equipped with valve, and pending sewage enters via water-locator one end
Enter inside reactor；Three phase separator is by a main separator and several separator being evenly arranged around this main separator
Constituting, each separator is cylindrical, and the inside of separator is provided with a funnelform isolated part in back-off, this isolated part
Lower section is provided with reflecting plate, by this isolated part, the upper space of reactor is separated into gas passage, air chamber, settling zone, instead
Both sides above device are answered to be equipped with overflow weir notch.
Documents 3:CN103755022B discloses a kind of reducing IC anaerobic reactor, including tank body, the shell of tank body
Including epimere, stage casing and hypomere three part from top to down, upper intrasegmental part has gas-liquid separator and upper reative cell, upper reative cell
Inside has again three phase separator and gas collector；Lower intrasegmental part is lower reative cell, has water-locator inside it；Described epimere and hypomere
Being cylinder, the top and bottom in stage casing are connected with the bottom of epimere and the top of hypomere respectively, and the diameter in stage casing
The most gradually narrow so that the diameter of upper reative cell is less than the diameter of lower reative cell.
In anaerobic reactor disclosed in above-mentioned 3 parts of documents, it it is all the top that three phase separator is arranged on reactor
Portion, for similar containing the anaerobic reactor of above-mentioned several anaerobic treatment process of three phase separator for, presently, there are with
Lower problem:
In order to increase the mixed effect of mud and waste water, improving anaerobic reaction clearance, prior art can be above-mentioned several
The reaction zone (its sludge concentration is high) of reactor increases stirring, to reduce dead band, increases mud and the mixed effect of waste water.Theoretical
On, under the conditions of identical inflow or gas production, reaction zone (reactor) area is the least, and mixed effect is the best；And for heavy
Disengagement zone, shallow lake (three phase separator), desilting area is the biggest, and flow velocity is the slowest, and separating effect is the best, and the increase of sedimentation tank area, can
Run off with anaerobic sludge in reducing pond.
Therefore, reaction zone flowing stirring and the static separation in depositing separation area for the requirement of cell body area be mutually contradictory and
Contradiction, reaction zone is built in depositing separation area together with there is following drawback:
(1) when the sewage disposal water yield is less, easily occur that depositing separation area flow velocity is too fast, mud is with water outlet leakage；
(2) when processing containing the waste water that oil pollutant is higher, easily occur that mud carries oils and fats leakage secretly；
(3) existing anaerobic pond structure height 6 meters at least, do not only exist that cell body height is higher and in pond by 20 meters at most
The problem that hydraulic pressure is bigger, also add the structure complexity of equipment or cell body.
(4) if according to reaction zone and depositing separation area for the requirement of cell body area, whole reactor is built up upper big under
Little character, then can make shifting, bad stability in cell body center of gravity, the stress that also can be greatly increased reactor bottom structure is strong
Degree.
(5) above-mentioned traditional anaerobic device containing three phase separator there is also difficult in maintenance, the shortcoming that risk factor is high: when instead
Answering the three phase separator in device to go wrong after (block, gas leakage etc.), can only empty whole reactor cell body keeps in repair, in pond
Biogas concentration is higher, and workload is big；And after maintenance terminates, the second incubation cycle of Anaerobe is with greater need for several months long, pole
The earth effect treatment effeciency of system.
Additionally, for the sewage/wastewater of slaughtering industry, because of the organic pollution in its sewage mainly with float (oil,
Blood, meat, hair, excrement etc.) it is main, float occupies more than the 70% of organic pollutants, can reach more than 3000mg/L；According to dosing
Remove above-mentioned suspended contaminant and enter back into anaerobism, substantial amounts of chemical sludge and secondary pollution problem can be produced；If be directly entered
Anaerobic reactor (such as UASB etc.), can cause biological sludge losing issue.
For dairy industry, water pollutant includes lactoprotein, butter oil and lactose three class, and only lactose belongs to dissolubility
Organic substance, accounts for about the 30-40% of gross contamination thing, and float then account for the overwhelming majority of pollutant, 60-70%.Additionally breast
The animal oil of conduct industry is generally more than 100mg/L, and high person is up to 500mg/L.
Therefore, research and develop a kind of be applicable to butcher, the anaerobic reaction system of high treatment efficiency that milk products wastewater processes is for solving
Certainly butcher, the sewage handling problem of dairy industry has the biggest Research Significance.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of tradition that can solve and contains the anaerobic reaction of three phase separator
The simple in construction of the problem of anaerobic pond reaction zone and depositing separation area contradiction mutually contradictory for area requirements in device, it is simple to dimension
Protect, and be particularly suited for butchering, the COD (COD) such as milk less than 5000ppm or vegetable and animals oils content more than 100ppm
Sewage treatment anaerobic response system and method for treating water.
In order to solve above-mentioned technical problem, the present invention by the following technical solutions:
A kind of sewage treatment anaerobic response system is provided, including: the anaerobic reation pool being provided separately and three phase separation pond, detest
Connected by pipeline between outlet and the water inlet in three phase separation pond of oxygen reaction tank；
Described anaerobic reation pool includes that anaerobic reation pool cell body, water inlet system, collecting system, described water inlet system are arranged on
Bottom, described collecting system in anaerobic reation pool cell body are arranged on the middle and upper part in anaerobic reation pool cell body；
Described three phase separation pond includes three phase separation pond cell body, effluent weir, three phase separator, sludge bucket, described effluent weir
Being arranged on the top in the cell body of three phase separation pond, three phase separator is arranged on the lower section of effluent weir, and the bottom in three phase separation pond is
Sludge bucket, sludge bucket connects sludge recirculation system below, and sludge recirculation system is connected with anaerobic reation pool.
Preferably, when three phase separation pond cell body cross-sectional area is bigger, can set multiple sludge bucket, each sludge bucket passes through
Electrodynamic valve is pressed setting cycle and is automatically replaced spoil disposal.
Further,
The pipeline of sludge recirculation system arranges elevator pump or in the outlet of anaerobic reation pool and three phase separation pond
Water inlet between pipeline on elevator pump is set.
Further,
Described collecting system includes many smaller branch pipe of catchmenting, and the side-lower of every smaller branch pipe of catchmenting arranges swash plate, described tiltedly
Plate is 50 °-70 ° with the angle of inclination of horizontal plane.
Preferably, described swash plate is 50 °-60 ° with the angle of inclination of horizontal plane.
Further,
Outlet at described anaerobic reation pool arranges liquid level controller, catchments with described in the bottom of described liquid level controller
System connectivity.
Further,
The cross-sectional area in described three phase separation pond is more than the cross-sectional area of described anaerobic reation pool.
Preferably,
Described anaerobic reation pool and three phase separation pond preferably employ steel concrete and steel structure material.
Further,
The top of described anaerobic reation pool cell body is additionally provided with biogas pipe.
The present invention also provides for the method for treating water of above-mentioned sewage treatment anaerobic response system, specifically includes following steps:
(1) separate anaerobic reation pool and three phase separation pond are set, by the outlet of anaerobic reation pool and three phase separation pond
Water inlet between arrange pipeline connect；
(2) treatment sewage is located in entering anaerobic reation pool by the water inlet system bottom anaerobic reation pool cell body
Reason, the biological sludge in anaerobic reation pool is intake after disturbance, and the biological sludge that granule is big sinks and returns to bottom reaction tank cell body,
Grain little biological sludge or be suspended in water entrainment of the biological sludge granule that the density of a small amount of biogas bubble is light, collecting system is received
The a small amount of biological sludge granule suspended in collection water outlet and water, enters three phase separation pond by pipeline；
(3), after entering three phase separation pond, the three phase separator in three phase separation pond carries out gas-liquid-solid three-phase separation, water outlet
Discharge system after overflowing to the effluent weir on top, three phase separation pond, after a small amount of sludge settling to sludge bucket, pass through sludge reflux
System returns in anaerobic reation pool.
Further,
When setting the setting absolute altitude that absolute altitude is higher than three phase separation pond of anaerobic reation pool, the water outlet of anaerobic reation pool is passed through
Self gravitation flows to three phase separation pond, and the mud of sludge bucket is returned by the elevator pump on the pipeline being arranged on sludge recirculation system
Return to anaerobic reation pool；
When setting the setting absolute altitude that absolute altitude is higher than anaerobic reation pool of three phase separation pond, the water outlet of anaerobic reation pool is passed through
The elevator pump being arranged on the pipeline between the outlet of anaerobic reation pool and the water inlet in three phase separation pond, rises to three-phase separate
From pond, the mud of sludge bucket passes through sludge recirculation system flow by gravity to anaerobic reation pool.
Further,
The interior biological sludge granule entrainment of a large amount of biogas bubbles of anaerobic reation pool is configured to catchment collecting system every
After the stop of the swash plate of smaller branch pipe side-lower, rise to the face, pond of described anaerobic reation pool, the natural pond carried secretly in biological sludge granule
Gas bubble constantly ruptures, and is therefore stirred continuously scum layer or the dregs of fat layer being suspended in face, pond, promotion scum layer or dregs of fat layer
Decompose.
Further,
The biogas pipe at the top being arranged on anaerobic reation pool cell body is collected the microbial metabolism discharged in biological sludge and is produced
Biogas, biogas is separated in anaerobic reation pool cell body, it is ensured that pressure in whole anaerobic reation pool cell body is just maintaining
Often.
Beneficial effects of the present invention:
Anaerobic reactor in documents 1-3, is all to arrange three phase separator on reactor top, disappears in order to separate
Activating QI, Digestive system and mud granule.As described in the background art, such anaerobic reactor mainly have UASB,
EGSB and IC tri-kinds, and these several reactors are mainly used in the dirt of the industries such as ethanol, sugaring, percolate, starch, medicated beer
Water processes (pollutant 90% of above-mentioned industry draining are above dissolubility pollutant).According to " upflow anaerobic sludge blanket process reacts
Device sewage treatment project technical specification " described in (HJ2013-2012) 4.2.2 bar, water inlet float is preferably less than 1500mg/L.According to
Engineering experience and technical specification, tradition anaerobic technique is unsuitable for the waste water of concentration of suspension higher (or ratio is higher) and processes, because of
Impact for float can carry mud formation scum silica frost, finally ejects mill weir with pond and flows out, causes biological sludge loss, system to collapse
Burst.
For butchering, for dairy industry, on the one hand due in its sewage oil content higher, the oils in sewage is easily adsorbed
On the surface of biological sludge, change the density of biological sludge, make it difficult to separate；The opposing party butchers, in the sewage of dairy industry
Oily substance be readily suspended on the face, pond of reaction tank, form scum layer or dregs of fat layer.
And the present invention compares the anaerobic reactor in documents 1-3, have the advantage that
1, anaerobic reation pool and three phase separation pond are provided separately by the present invention.
Anaerobic reation pool and three phase separation pond are provided separately can make anaerobic reation pool can give full play to anaerobic reaction and
The dregs of fat, scum silica frost, the interception function of mud scum, and the biological sludge heavier than water is only responsible for separating and reclaiming in three phase separation pond, by two
Functional areas are provided separately rather than are arranged on the upper and lower district of a reactor, can make two functional areas (anaerobic reation pool, three-phases
Separate tank) function definitely, effect becomes apparent from；Also solve the anaerobic pond reaction zone of traditional anaerobic reactor simultaneously
With depositing separation area for the conflicting problem of cell body area requirements；Carry by arranging the anaerobic reation pool of small cross sectional
The mixed effect of high cell body, by arranging the three phase separation pond of comparatively large cross-sectional area, increases Disengagement zone area, improves water, gas, mud
Separating effect and effluent characteristics.
Owing to the separating effect of the anaerobic reaction system of the present invention is more preferable, the most also it is more suitable for butchering, dairy industry
The process of stain disease.
2, in the present invention, the side-lower of every smaller branch pipe of catchmenting in collecting system arranges swash plate.
Traditional sewage treatment area also can be used swash plate, and the swash plate in traditional wastewater process field is mainly used in
In sedimentation tank and oil interceptor: (1) applies the swash plate in sedimentation tank, theoretical according to " shallow pond ", swash plate can increase waterflow stabilization
Property and the uniformity of water distribution so that mud granule disjoint paths is greatly reduced so that be provided with the disposal ability of the sedimentation tank of swash plate
Also can be more than the two of conventional precipitation pond times.(2) applying the swash plate in oil interceptor, it contains the sewage of oil droplet above swash plate
Entering, owing to the density of water is more than oily density, therefore water can be deposited to exhalant region along the upper surface of swash plate, and oil droplet then can edge
The upper surface rising of swash plate is gathered into bulky grain, emerges, therefore realizes oil-water separation.
And the present invention arranges swash plate in anaerobic reation pool, on the one hand, what swash plate can stop rising carries big biogas gas secretly
The biological sludge of bubble, carries the biological sludge of big biogas bubble secretly after swash plate stops, rises to the face, pond of anaerobic reation pool, biogas
Bubble constantly ruptures, thus can be stirred continuously the scum layer or dregs of fat layer being suspended on face, reaction tank pond, promotes scum layer
Or the decomposition of dregs of fat layer, improve scum layer or the decomposition rate of dregs of fat layer.Therefore, (move even if the oil content in sewage is big and plant
Thing oil content is more than 100ppm) also can there is good water treatment efficiency.
On the other hand, the upper surface of every piece of swash plate, flow downward is the bulky grain biological sludge that density is bigger, and swash plate
Lower surface near, flowing is the little granular biological mud that heavy speed is slow, density is less, therefore can efficiently separate bulky grain raw
Thing mud and little granular biological mud, stop that the biological sludge that bulk carries the density of biogas bubble less enters in uphill process
Enter next unit, make little granular biological mud be retained in system.In the present invention, the smaller branch pipe of catchmenting of collecting system is positioned at swash plate
Upper surface near, therefore, the water quality of water outlet that collecting system is collected will not be disturbed by biogas bubble, and can collect
Precipitate excellent biological sludge, bulky grain mud is circulated simultaneously, improve the removal effect of anaerobic reaction.
Therefore, mainly utilize in the present invention is the aggregation of swash plate, increases density and the stirring intensity of bubble, thus
Accelerate scum layer or the degradation speed of dregs of fat layer in anaerobic reation pool, improve butchering, the process effect of the sewage of dairy industry
Really.
3, the liquid level controller in the present invention is arranged on the outlet (being positioned at the top of anaerobic reation pool) of anaerobic reation pool,
Belong to overflow water outlet, can play and control the effect of liquid level in anaerobic reation pool, make the liquid level in anaerobic reation pool just be in
Often work liquid level, it is simple to collects the clear water of clear water zone, can also prevent oil slick or mud scum in pond from drifting out outside pond simultaneously.
4, anaerobic reation pool top, scum layer collecting system arranged below, is possible to prevent oil slick, scum silica frost, mud scum to run off.
5, overall structure of the present invention is simple, it is simple to safeguard.Owing to anaerobic reation pool and three phase separator are provided separately, make
Obtaining anaerobic pond structure more to simplify, the degree of depth declines, and saves construction cost；Also the maintenance making three phase separator is simpler,
It is not required to during maintenance empty all water of anaerobic pond and mud.
6, the present invention can retain more short grained mud due to three phase separation pond, and be refluxed by sludge recirculation system
In anaerobic reation pool, therefore the sludge concentration in the reaction zone (anaerobic reation pool) of the present invention can be higher than common traditional anaerobism
Reaction tank is high, and in the anaerobic reation pool of the present invention, the mean concentration of biological sludge is up to more than 25g/L, remote super common anaerobic reaction
Pond sludge concentration (about 15g/L), owing to the concentration of the biological sludge in anaerobic reation pool is high, therefore the concentration of microorganism is the highest,
Therefore the efficiency that water processes is the highest.
To sum up, the present invention be possible not only to solve tradition containing three phase separator anaerobic reactor in anaerobic pond reaction zone and
The problem of depositing separation area contradiction mutually contradictory for area requirements；And simple in construction, be easy to safeguard；Due to anaerobic reation pool
Interior biological sludge concentration is high, and the scum layer being suspended in anaerobic reation pool or dregs of fat layer are had higher degradation speed,
Therefore be particularly suited for butchering, the COD (COD) such as dairy industry is more than less than 5000ppm or vegetable and animals oils content
The sewage/wastewater of 100ppm processes.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the sewage treatment anaerobic response system of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the sewage treatment anaerobic response system of the embodiment of the present invention 2；
Fig. 3 is the structural representation of tradition anaerobic reactor in prior art；
Above-mentioned reference:
1, anaerobic reation pool；101, anaerobic reation pool cell body；102, water inlet system；103, collecting system；1031, catchment little
Arm；104, swash plate；105, biogas pipe；106, liquid level controller；107, scum layer (dregs of fat layer)；
2, three phase separation pond；201, three phase separation pond cell body；202, effluent weir；203, three phase separator；204, sludge bucket；
205, sludge recirculation system；206, elevator pump；
Anaerobic reation pool cell body 101 ' in traditional anaerobic reactor；Water inlet system 102 '；Effluent weir 202 '；Three-phase separate
From device 203 '.
Detailed description of the invention
Below in conjunction with the accompanying drawings and invention is further illustrated by embodiment, but be not limited to the scope of the present invention.
Embodiment 1
As it is shown in figure 1, the present embodiment provides a kind of sewage treatment anaerobic response system, including:
The anaerobic reation pool 1 being provided separately and three phase separation pond 2, the outlet of anaerobic reation pool 1 and three phase separation pond 2
Connected by pipeline between water inlet；
Anaerobic reation pool 1 includes anaerobic reation pool cell body 101, water inlet system 102, collecting system 103 and biogas pipe 105,
Water inlet system 102 is arranged on the bottom in anaerobic reation pool cell body 101, collecting system 103 is arranged on anaerobic reation pool cell body 101
Interior middle and upper part, biogas pipe 105 is arranged on the top of anaerobic reation pool cell body 101；
Three phase separation pond 2 includes three phase separation pond cell body 201, effluent weir 202, three phase separator 203, sludge bucket 204, goes out
Mill weir 202 is arranged on the top in three phase separation pond cell body 201, and three phase separator 203 is arranged on the lower section of effluent weir 202, and three
The bottom in separated pond 2 is sludge bucket 204, and sludge bucket 204 connects sludge recirculation system 205 below, sludge recirculation system 205
It is connected with anaerobic reation pool 1.
When being actually needed the cross-sectional area in three phase separation pond of design and being bigger, multiple sludge bucket 204, each dirt can be set
Bucket 204 is pressed setting cycle by electrodynamic valve and is automatically replaced spoil disposal.
Biogas pipe 105 in the present embodiment is for collecting the microorganism generation in the biological sludge discharged in anaerobic reation pool 1
Thank to the biogas of generation, biogas is separated in anaerobic reation pool cell body 101, it is ensured that in whole anaerobic reation pool cell body 1
Pressure remains normal.
As it is shown in figure 1, the absolute altitude that sets due to anaerobic reation pool 1 is higher than the setting mark in three phase separation pond 2 in the present embodiment
Height, the water outlet of anaerobic reation pool 1 can flow to three phase separation pond 2 by self gravitation, the mud of sludge bucket 204 need by
The elevator pump 206 being arranged on the pipeline of sludge recirculation system 205 returns to anaerobic reation pool 1；
Therefore elevator pump 206 is arranged on the pipeline of sludge recirculation system 205 by the present embodiment.
In the present embodiment, collecting system 103 includes many smaller branch pipe 1031 of catchmenting, under the side of every smaller branch pipe 1031 of catchmenting
Side arranges swash plate 104, and swash plate 104 is 50 °-70 ° (can be adjusted according to actual needs) with the angle of inclination of horizontal plane.As
Preferred version, can be adjusted to 50 °-60 ° by the angle of inclination of swash plate 104 with horizontal plane.
The present embodiment arranges in anaerobic reation pool 1 swash plate 104, on the one hand, swash plate 104 can stop carrying secretly of rising
The biological sludge of a large amount of biogas bubbles, carries the biological sludge of a large amount of biogas bubble secretly after swash plate 104 stops, rises to anaerobism anti-
Answering the face, pond in pond 1, biogas bubble constantly ruptures, thus can be stirred continuously the scum layer (dregs of fat being suspended on face, reaction tank pond
Layer) 107, promote the decomposition of scum layer (dregs of fat layer) 107, improve the decomposition rate of scum layer (dregs of fat layer) 107.Therefore, even if
Oil content in sewage big (vegetable and animals oils content is more than 100ppm) also can have good water treatment efficiency.
On the other hand, the upper surface of every piece of swash plate 104, flow downward is the bulky grain biological sludge that density is bigger, and
Near the lower surface of swash plate 104, flowing is the little granular biological mud that heavy speed is slow, density is less, therefore can efficiently separate
Bulky grain biological sludge and little granular biological mud, stop that carrying the less biological sludge of the density of biogas bubble in a large number is rising
During enter next unit, make little granular biological mud be retained in system.In the present invention, catchmenting of collecting system 103 is little
Arm 1031 is positioned near the upper surface of swash plate 104, and therefore, the water quality of the water outlet that collecting system 103 is collected will not be by biogas
The interference of bubble, and the biological sludge that precipitation is excellent can be collected, bulky grain mud is circulated simultaneously, improves anaerobism anti-
The removal effect answered.
Therefore, mainly utilize in the present invention is the aggregation of swash plate 104, increases density and the stirring intensity of bubble,
Thus the degradation speed of scum layer (dregs of fat layer) 107 in accelerating anaerobic reation pool 1, improve butchering, the sewage of dairy industry
Treatment effect.
In the present embodiment, the also outlet at anaerobic reation pool 1 arranges liquid level controller 106, the end of liquid level controller 106
Portion connects with collecting system 103.The setting of liquid level controller 106 belongs to overflow water outlet, can play control anaerobic reation pool 1
The effect of interior liquid level, makes the liquid level in anaerobic reation pool 1 be in normally to work liquid level, it is simple to collect the clear water of clear water zone, simultaneously
Can also prevent oil slick or mud scum in pond from drifting out outside pond.
The setting of collecting system 103, owing to being arranged on below anaerobic reation pool 1 top, scum layer 107, is possible to prevent to float
Oil, scum silica frost, mud scum run off.
In the present embodiment, anaerobic reation pool 1 and three phase separation pond 2 are provided separately, use the three-phase of comparatively large cross-sectional area
The anaerobic reation pool 1 of separate tank 2 and less area, the cross-sectional area in three phase separation pond 2 is more than the cross section of anaerobic reation pool 1
Long-pending.Varying cross-section amass the design of cell body solve the anaerobic pond reaction zone of traditional anaerobic reactor and depositing separation area for
The problem that cell body area requirements is conflicting；The mixing improving cell body by arranging the anaerobic reation pool of small cross sectional is imitated
Really, by arranging the three phase separation pond of comparatively large cross-sectional area, increase Disengagement zone area, improve water, gas, mud separating effect and water outlet
Quality.Therefore both are provided separately and anaerobic reation pool 1 can be made to give full play to anaerobic reaction and the dregs of fat, scum silica frost, the blocking of mud scum
Cut effect, and 2, three phase separation pond is responsible for separation and reclaims the biological sludge than water weight, is provided separately two functional areas, and
It is not arranged in the upper and lower district of a reactor, the function of two functional areas (anaerobic reation pool, three phase separation pond) can be made more
Clearly, effect becomes apparent from.Owing to the separating effect of the anaerobic reaction system of the present invention is more preferable, be the most also more suitable for butchering,
The process of the stain disease of dairy industry.
Anaerobic reation pool 1 and three phase separation pond 2 in the present embodiment preferably employ steel concrete and steel structure material.
The present embodiment provide sewage treatment anaerobic response system process sewage method particularly as follows:
(1) anaerobic reation pool 1 being provided separately and three phase separation pond 2 are connected by pipeline, the water outlet of anaerobic reation pool 1
Arrange pipeline between mouth and the water inlet in three phase separation pond 2 to be connected；
(2) treatment sewage is entered in anaerobic reation pool 1 by the water inlet system 102 bottom anaerobic reation pool cell body 101
Processing, the biological sludge in anaerobic reation pool 1 is intake after disturbance, and the biological sludge that granule is big sinks and returns to anaerobic reation pool
Bottom 1 cell body, biological sludge that granule is little or be suspended in water entrainment of the biological sludge granule that the density of a small amount of biogas bubble is light
In, collecting system 103 collects a small amount of biological sludge granule suspended in water outlet and water, enters three phase separation pond 2 by pipeline；
(3), after entering three phase separation pond 2, the three phase separator 203 in three phase separation pond 2 carries out gas-liquid-solid three-phase and divides
Discharging system overflow to the effluent weir 202 on top, three phase separation pond 2 from, water outlet after, a small amount of sludge settling is to sludge bucket 204
In, returned in anaerobic reation pool 1 by sludge recirculation system 205.
Additionally, in above-mentioned processing procedure, entrainment of the biological dirt that the density of a large amount of biogas bubbles is light in anaerobic reation pool 1
Mud granule (density comparing the biological sludge granule carrying a small amount of biogas bubble gentlier can be directly toward rising) is configured to catchment
Every of system 103 catchment smaller branch pipe 1031 side-lower swash plate 104 stop after, rise to the pond of described anaerobic reation pool 1
Face, the biogas bubble carried secretly in biological sludge granule constantly ruptures, and is therefore stirred continuously the scum layer (dregs of fat being suspended in face, pond
Layer) 107, promote the decomposition of scum layer (dregs of fat layer) 107.
Meanwhile, the micro-life discharged in biological sludge collected by the biogas pipe 105 at the top being arranged on anaerobic reation pool cell body 101
The biogas that thing metabolism produces, separates biogas in anaerobic reation pool cell body 101, it is ensured that whole anaerobic reation pool cell body
Pressure in 101 remains normal.
Liquid level controller 106 in the present embodiment is arranged on the outlet of anaerobic reation pool 1 and (is positioned at anaerobic reation pool 1
Top), belong to overflow water outlet, liquid level can be played in control anaerobic reation pool 1 and prevent oil slick or mud scum in pond from drifting out pond
Outer effect, its Main Function is to destroy siphon, prevents anaerobic reation pool 1 liquid level from declining excessive, causes reaction tank dischargeable capacity
Reduce or scum layer blocking outlet conduit.
In the present embodiment, owing to the absolute altitude that sets of anaerobic reation pool 1 is higher than the setting absolute altitude in three phase separation pond 2, therefore dirty
The mud of bucket 204 needs to return to anaerobic reaction by the elevator pump 206 on the pipeline being arranged on sludge recirculation system 205
Pond 1.
Embodiment 2
As in figure 2 it is shown, the difference of the present embodiment and embodiment 1 is:
Embodiment 2 provide the setting absolute altitude in three phase separation pond 2 of sewage treatment anaerobic response system higher than anaerobic reaction
The setting absolute altitude in pond 1, therefore, the water outlet of anaerobic reation pool 1 needs by the outlet and the three-phase separate that are arranged on anaerobic reation pool 1
Elevator pump 206 on pipeline between the water inlet in pond 2, rises to three phase separation pond 2, and the mud of sludge bucket 204 is permissible
By in sludge recirculation system 205 flow by gravity to anaerobic reation pool 1, final outflow water is also to discharge system through effluent weir 202.
Therefore, structurally, the elevator pump 206 in the present embodiment is arranged on outlet and the three-phase separate of anaerobic reation pool 1
On pipeline between the water inlet in pond 2.
Sewage treatment anaerobic response system described in above-described embodiment 1 and embodiment 2, compared to existing technology in traditional
Anaerobic reactor (as shown in Figure 3), in traditional reactor, treatment sewage enters again by the water inlet system 102 ' of bottom
Enter in reactor, discharged by the effluent weir 202 ' at top after treatment, but traditional anaerobic reactor is by three phase separator
203 ' the tops being arranged on reactor, therefore the reaction zone in reactor and depositing separation area are in same anaerobic reation pool pond
In body 101 ', and the flowing stirring of the reaction zone of anaerobic reactor and the static separation in depositing separation area for the requirement of cell body area are
Mutually contradictory and contradiction, the most traditional anaerobic reactor reaction zone is built in depositing separation area together with can there is a lot of fraud
End (as described in the background art), the most therefore can affect its wastewater treatment efficiency.The most such anaerobic reactor is main
It is applied to the sewage disposal (pollutant 90% of above-mentioned industry draining of the industries such as ethanol, sugaring, percolate, starch, medicated beer
It is above dissolubility pollutant).According to " up flow anaerobic sludge blanket reactor sewage treatment project technical specification " (HJ2013-
2012), described in 4.2.2 bar, water inlet float is preferably less than 1500mg/L.According to engineering experience and technical specification, tradition anaerobic technique
The waste water being unsuitable for concentration of suspension higher (or ratio is higher) processes, because the impact of float can be carried mud and be formed floating
Slag, finally ejects mill weir with pond and flows out, cause biological sludge loss, system crash.
For butchering, for dairy industry, on the one hand due in its sewage oil content higher, the oils in sewage is easily adsorbed
On the surface of biological sludge, change the density of biological sludge, make it difficult to separate；The opposing party butchers, in the sewage of dairy industry
Oily substance be readily suspended on the face, pond of reaction tank, form scum layer or dregs of fat layer.
In the present invention, owing to three phase separation pond 2 can retain more short grained mud, and by sludge recirculation system 205
Being back in anaerobic reation pool 1, therefore the sludge concentration in the reaction zone (anaerobic reation pool) of the present invention can be higher than common biography
System anaerobic reation pool is high, and in the anaerobic reation pool of the present invention, the mean concentration of biological sludge is up to more than 25g/L, and remote surpassing commonly detests
Oxygen reaction tank sludge concentration (about 15g/L), owing to the concentration of the biological sludge in anaerobic reation pool is high, the therefore concentration of microorganism
The highest, the efficiency that therefore water processes is the highest.
Sewage treatment anaerobic response system in the present invention is high due to the biological sludge concentration in anaerobic reation pool 1, and right
The scum layer (dregs of fat layer) 107 being suspended in anaerobic reation pool has a higher degradation speed, therefore for butchering, dairy industry etc.
COD (COD) processes to have less than waste water more than 100ppm of 5000ppm or vegetable and animals oils content and well processes effect
Really.
Additionally, anaerobic reation pool 1 and three phase separator 203 are provided separately by the present invention so that the knot of anaerobic reation pool 1
Structure more simplifies, and the degree of depth declines, and saves construction cost；Also the maintenance making three phase separator 203 is simpler, when maintenance not
All water and mud in need to emptying anaerobic reation pool 1.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (10)
1. sewage treatment anaerobic response system, it is characterised in that including:
The anaerobic reation pool being provided separately and three phase separation pond, the outlet of anaerobic reation pool and the water inlet in three phase separation pond it
Between connected by pipeline；
Described anaerobic reation pool includes that anaerobic reation pool cell body, water inlet system, collecting system, described water inlet system are arranged on anaerobism
Bottom, described collecting system in reaction tank cell body are arranged on the middle and upper part in anaerobic reation pool cell body；
Described three phase separation pond includes three phase separation pond cell body, effluent weir, three phase separator, sludge bucket, and described effluent weir is arranged
Top in the cell body of three phase separation pond, three phase separator is arranged on the lower section of effluent weir, and the bottom in three phase separation pond is mud
Bucket, sludge bucket connects sludge recirculation system below, and sludge recirculation system is connected with anaerobic reation pool.
Sewage treatment anaerobic response system the most according to claim 1, it is characterised in that
The pipeline of described sludge recirculation system arranges elevator pump or at the outlet of described anaerobic reation pool and three-phase separate
On pipeline between the water inlet in pond, elevator pump is set.
Sewage treatment anaerobic response system the most according to claim 1, it is characterised in that
Described collecting system includes many smaller branch pipe of catchmenting, and the side-lower of every smaller branch pipe of catchmenting arranges swash plate, described swash plate with
The angle of inclination of horizontal plane is 50 °-70 °.
Sewage treatment anaerobic response system the most according to claim 1, it is characterised in that
Outlet at described anaerobic reation pool arranges liquid level controller, the bottom of described liquid level controller and described collecting system
Connection, the upper strata water outlet overflow of liquid level controller enters three phase separation pond.
Sewage treatment anaerobic response system the most according to claim 1, it is characterised in that
The cross-sectional area in described three phase separation pond is more than the cross-sectional area of described anaerobic reation pool.
Sewage treatment anaerobic response system the most according to claim 1, it is characterised in that
The top of described anaerobic reation pool cell body is additionally provided with biogas pipe.
7. the method for treating water of sewage treatment anaerobic response system, it is characterised in that specifically include following steps:
(1) separate anaerobic reation pool and three phase separation pond are set, by entering of the outlet of anaerobic reation pool and three phase separation pond
Arrange pipeline between the mouth of a river to connect；
(2) treatment sewage processes in entering anaerobic reation pool by the water inlet system bottom anaerobic reation pool cell body, detests
Biological sludge in oxygen reaction tank is intake after disturbance, and the biological sludge that granule is big sinks and returns to bottom reaction tank cell body, and granule is little
Biological sludge or be suspended in water entrainment of the biological sludge granule that the density of a small amount of biogas bubble is light, collecting system is collected out
The a small amount of biological sludge granule suspended in water and water, enters three phase separation pond by pipeline；
(3), after entering three phase separation pond, the three phase separator in three phase separation pond carries out gas-liquid-solid three-phase separation, water outlet overflow
After the effluent weir on top, three phase separation pond, discharge system, after a small amount of sludge settling to sludge bucket, pass through sludge recirculation system
Return in anaerobic reation pool.
The method for treating water of sewage treatment anaerobic response system the most according to claim 7, it is characterised in that
When setting the setting absolute altitude that absolute altitude is higher than three phase separation pond of anaerobic reation pool, the water outlet of anaerobic reation pool passes through self
Gravity flows to three phase separation pond, and the mud of sludge bucket is returned to by the elevator pump on the pipeline being arranged on sludge recirculation system
Anaerobic reation pool；
When setting the setting absolute altitude that absolute altitude is higher than anaerobic reation pool of three phase separation pond, the water outlet of anaerobic reation pool is by arranging
Elevator pump on the pipeline between the outlet and the water inlet in three phase separation pond of anaerobic reation pool, rises to three phase separation
Pond, the mud of sludge bucket passes through sludge recirculation system flow by gravity to anaerobic reation pool.
The method for treating water of sewage treatment anaerobic response system the most according to claim 7, it is characterised in that
Catchment ramuscule collecting system every entrainment of the biological sludge granule of a large amount of biogas bubbles is configured in anaerobic reation pool
After the stop of the swash plate below tube side, rise to the face, pond of described anaerobic reation pool, the biogas gas carried secretly in biological sludge granule
Bubble constantly ruptures, and is therefore stirred continuously scum layer or the dregs of fat layer being suspended in face, pond, promotes scum layer or the decomposition of dregs of fat layer.
The method for treating water of sewage treatment anaerobic response system the most according to claim 7, it is characterised in that
The natural pond that the microbial metabolism discharged in biological sludge produces collected by the biogas pipe at the top being arranged on anaerobic reation pool cell body
Gas, separates biogas in anaerobic reation pool cell body, it is ensured that the pressure in whole anaerobic reation pool cell body remains normal.
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| CN110540289A (en) * | 2019-09-11 | 2019-12-06 | 苏州达道环保科技有限公司 | Anaerobic hydrolysis reactor for sewage sludge |
| CN110433536A (en) * | 2019-09-12 | 2019-11-12 | 南通科东环保科技有限公司 | A kind of two-storey settling tank |
| CN111675441A (en) * | 2020-06-27 | 2020-09-18 | 济宁中山公用水务有限公司 | Upflow biological nitrogen and phosphorus removal sewage treatment method and device |
| CN111675324A (en) * | 2020-06-29 | 2020-09-18 | 瀚蓝生物环保科技有限公司 | Hydraulic anaerobic reaction system and control method thereof |
| CN113461253A (en) * | 2021-04-19 | 2021-10-01 | 安徽普氏生态环境工程有限公司 | Mud-water separation device and sewage treatment method |
| CN113754186A (en) * | 2021-09-02 | 2021-12-07 | 北京华夏大禹科技有限公司 | Oily wastewater treatment system |
| CN116022921A (en) * | 2022-12-29 | 2023-04-28 | 重庆大学 | an anaerobic reactor |
| CN116022921B (en) * | 2022-12-29 | 2024-12-10 | 重庆大学 | An anaerobic reactor |
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Application publication date: 20161221 |